irenderer.h

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#pragma once
 
#include <SDL.h>
#include <memory>
#include <vector>
 
// Forward declarations prevent circular dependencies and speed up compilation.
// Instead of including the full header, we just tell the compiler that these types exist.
namespace yaze {
namespace gfx {
class Bitmap;
}
}
 
namespace yaze {
namespace gfx {
 
using TextureHandle = void*;
 
class IRenderer {
public:
    virtual ~IRenderer() = default;
 
    // --- Initialization and Lifecycle ---
 
    virtual bool Initialize(SDL_Window* window) = 0;
 
    virtual void Shutdown() = 0;
 
    // --- Texture Management ---
 
    virtual TextureHandle CreateTexture(int width, int height) = 0;
 
    virtual TextureHandle CreateTextureWithFormat(int width, int height, uint32_t format, int access) = 0;
 
    virtual void UpdateTexture(TextureHandle texture, const Bitmap& bitmap) = 0;
 
    virtual void DestroyTexture(TextureHandle texture) = 0;
 
    // --- Direct Pixel Access ---
    virtual bool LockTexture(TextureHandle texture, SDL_Rect* rect, void** pixels, int* pitch) = 0;
    virtual void UnlockTexture(TextureHandle texture) = 0;
 
    // --- Rendering Primitives ---
 
    virtual void Clear() = 0;
 
    virtual void Present() = 0;
 
    virtual void RenderCopy(TextureHandle texture, const SDL_Rect* srcrect, const SDL_Rect* dstrect) = 0;
 
    virtual void SetRenderTarget(TextureHandle texture) = 0;
 
    virtual void SetDrawColor(SDL_Color color) = 0;
 
    // --- Backend-specific Access ---
 
    virtual void* GetBackendRenderer() = 0;
};
 
} // namespace gfx
} // namespace yaze